PhronesisWe apply the Displacement Framework to microplastic (MP) contamination, formalizing it as the largest-scale physical displacement in Earth's biological history. The total plastic mass Phi_plastic = integral from 1950 to T of P(t)dt is approximately 10^10 tonnes — a strict monotone increasing functional representing irreversible biospheric displacement. Four formal propositions are derived: (1) endocrine disruption as chemical wrong attractor, where BPA, phthalates, and PFAS bind nuclear receptors and displace hormonal ground states at nanomolar concentrations; (2) strict monotonicity of Phi_plastic with proof that return is structurally blocked by economic wrong attractors; (3) necessary conditions for biospheric return; and (4) the vegan return path theorem, showing that plant-based diet reduces individual MP exposure by 10^1-10^3 fold by eliminating trophic bioaccumulation.
The paper documents MPs in human blood (Leslie 2022), placenta (Ragusa 2020), brain tissue (Nihart 2024), testicular tissue (Zhao 2023, 23% sperm decline correlation), and breast milk (Ragusa 2022). The deepest insight: the organism's sensory and cognitive apparatus, developed within the displaced state, lacks the reference signal required to register the displacement.